Avascular Necrosis (AVN) of the Femoral Head - Case Based Discussion
Introduction Avascular necrosis (AVN) of the femoral head, also known as osteonecrosis, is a condition characterized by death of bone tissue due to interruption of blood supply to the femoral head. The femoral head is particularly vulnerable to ischemia because its vascular supply is limited and largely dependent on the retinacular vessels arising from the medial circumflex femoral artery. Loss of blood supply leads to necrosis of trabecular bone and marrow, resulting in structural collapse of t...
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